Food. Overview. Optimizing Production and Freezing Processes for the Food Industry. Food

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1 Overview Optimizing Production and Freezing Processes for the Industry With over 100 years experience in the food and beverage industry, we have the know-how to help you optimize your production and freezing processes, lower your costs and improve your: n Yield n Production throughput n Efficiency n Quality We do this through: n Expert food analysis at our Technology Lab n Optimal equipment engineering and design n Expert set-up and start-up from our experienced field support. First our dedicated team of food scientists can analyze your specific food product to develop your optimal custom processes. Then our world-class engineers will recommend and provide the optimal equipment for your needs. Finally our experienced field team can install, start-up and service your equipment to keep your equipment at top performance. In short you ll get the temperature control and atmosphere applications you need, backed by the services and systems support you can expect from Praxair. Comprehensive Product Range Supplying each application with the proper gas (grade, compliance, certification, scale). Superior Reliability Extensive production facilities network to help ensure high quality products are there when they are needed. Equipment and Systems Excellence Connecting customers with everything needed to handle and store gases efficiently and safely. Productivity and Innovation Partner Working with food industry to identify and implement productivity and cost improvements. Ease of Doing Business Providing convenient e-commerce options and strong customer support. Safety Focus Making safety the top priority for every activity. D 165

2 Overview The Praxair Technology Lab At Praxair, our Technologies Lab provides our customers with the best-fit technology tailored to meet specific food freezing and processing needs. And while our methods are advanced, our goal is very simple: to help you deliver high quality food and beverage products to your customers. In our Technologies Lab, we can analyze your process and provide you with recommendations on how to improve the quality and consistency of your product. Our lab is a full-time facility that has been in operation for over 30 years. Our experienced and dedicated technicians make their recommendations based on their expertise and the evaluation of data collected from thousands of tests on actual food products, in-lab thermal analyses and product testing on production-scale equipment. We will collect data on the thermal characteristics of your product, determine parameters for your freezing and chilling equipment, show what your product looks and tastes like after freezing, and recommend ways to better meet your goals. We are equipped to answer your most difficult product and processing questions so that you can optimize your system. So whether it s maximizing yield, boosting production or perfecting your finished product, our experts are ready to help with a customized assessment of your operation. Freezing and Chilling freezing/cooling/chilling is the process of using direct contact of a cryogen to control or adjust temperature to a frozen or chilled state. Both inline and batch type freezing equipment can be designed to use carbon dioxide or nitrogen to freeze, cool or chill the food. The speed of cryogenic refrigeration helps prevent product degradation, the product retains natural juices and color, and dehydration is drastically reduced. Almost any food product, (e.g., meat, chicken, fish, dairy, bakery, prepared foods, fruit, vegetables, etc.) can benefit from cooling or freezing, depending on the customer s needs. Freezing is generally regarded as a food preservation technique. A customer considers freezing or chilling a food product to obtain higher quality products, extend shelf life, expand the distribution area, and make product handling easier. The consequences of not achieving the desired final temperature include: n Product handling problems n Non-compliance with quality assurance (QA) specifications or government regulations n Shorter shelf life or reduced product quality n Supplemental freezing Proper temperature control (cryogenic freezing or chilling) can greatly reduce (or slow) the loss of food product quality caused by bacteria growth, staling, oxidation and mold growth. This application also can overcome mechanical handling problems encountered in processes like packaging, slicing, dicing and other processing. What is cryogenic freezing? Freezing is a change in the physical state of a food product when energy, in the form of heat, is removed, changing the water in the food from the liquid state to a solid state. Praxair specializes in cryogenic freezing using nitrogen or carbon dioxide at low temperatures to quickly freeze food products locking in moisture and product quality. What is cryogenic chilling? Cryogenic chilling is the removal of heat from raw and fresh processed foods, cooked or baked foods, and produce at ambient temperatures. Quickly cooling food products is an important step to ensure food safety and improve overall yield. Praxair specializes in rapid chilling using liquid carbon dioxide and employ s innovative new applications using liquid nitrogen. D 166

3 Overview Modified Atmosphere Packaging (MAP) The use of modified atmospheres to replace air in food packages is applicable to many types of food. Controlling food spoilage is complex and more than one gas may be appropriate for the same application. However, specific packaging conditions and shelf life extension requirements play a role in determining which one is most suitable for a given application. Praxair s Extendapak gases are used by food processors and packagers to extend the shelf life of their products. These gases include pure nitrogen, carbon dioxide and oxygen or a mixture of these products and function to displace unwanted atmospheric gases when used in a Modified Atmosphere Packaging (MAP) process. MAP represents only one aspect of what a food processor can use to ensure that high quality and safe food reaches the marketplace and, ultimately, the consumer. Most importantly, MAP does not eliminate or reduce the processor s responsibility for good manufacturing practices. In fact, the opposite is true. MAP is only appropriate for plants producing the cleanest of products. No gas combination in the package will ever reverse a food s poor microbial condition. At its best, MAP will only extend the keeping quality of a food. Praxair s Product Praxair Storage Temperature Gases Red Meats* 14, 15, 16, 30, F 32, 38 (0-5 C) Processed 2, 12, 14, 15, 16, F Meats 23, 24, 26, 28, 30, (0-5 C) 31, 32, 33, 34 Poultry 2, 12, 13, 14, F 15, 16 (0-2 C) Seafood 14, 15, 16, F (0-2 C) Fresh Fruits 1, 44, 47, 49, 50, F 51, 57, 70 (5-10 C) Dairy Products 2, 12, 14, 15, 16, F 23, 24, 26, 28 (1-3 C) Dry and 1, 12, 16, 28 Ambient Dehydrated s Prepared s 12, 14, 15, 16, 24, F 26, 28 (0-5 C) Bakery Products 1, 10, 12, 13, Ambient 14, 15, 16, 24, 25, 26, 27, 28 Fresh Vegetables 1, 41, 42, 47, 48, F 49, 50, 51, 70 (0-5 C) D 167

4 Red Meats Beef (Retail*) EX 30 T 374/ / P Series K 275/ / (see pages EX 32 T 290/ / E E 258) K 258/ / EX 38 T 220/ / K 196/ / Beef, Lamb, EX 16 T 208/ / P Series Pork, Veal K 185/ / (see pages EX 15 T 267/ / E E 258) K 238/ / EX 14 T 338/ / K 253/ / * Cuts that are targeted for immediate retail display are best in EX 30, 32, or 38. When bloom is not necessary, mixtures 16, 15 and 14 are recommended. When more than one Extendapak number is referenced, mixtures should be evaluated in the same sequence as listed. Mixtures are prepared with the same care as Certified Standard grade (see page C 92), however analyses are not reported. Processed Meats Sliced Meats EX 14 T 338/ / P Series (Bologna, K 253/ / (see page E 256) Corned Beef, EX 15 T 267/ / Ham, Pastrami, K 238/ / Roast Beef, EX 16 T 208/ / Roast Pork) K 185/ / Whole Meats EX 16 T 208/ / P Series (Corned Beef, K 185/ / (see page E 256) Ham, Roast Beef, EX 12 T 170/ / Roast Pork, K 152/ / Salami, EX 28 T 145/ / Smoked Meat) K 129/ / EX 26 T 126/ / K 112/ / EX 24 T 112/ / K 100/ / EX 23 T 101/ / K 90/ / EX 2 K 50/ / P Series Q 20/ / (see page E 256) LC / / P Series D 168

5 Poultry Chicken, Cornish Hens, Duck, Turkey Chicken, EX 2 K 50/ / P Series Cornish Hens, Q 20/ / (see page E 256) Duck, Turkey LC / / P Series (master pack) (retail) EX 12 T 170/ / P Series K 152/ / (see page E 256) EX 13 T 312/ / K 260/ / EX 14 T 338/ / K 253/ / EX 15 T 267/ / K 238/ / EX 16 T 208/ / K 185/ / Breaded Chicken EX 14 T 338/ / P Series (cooked) K 253/ / (see page E 256) EX 15 T 267/ / K 238/ / EX 16 T 208/ / K 185/ / D 169

6 Seafood Raw White Fish* EX 45 T 214/ / P Series Catfish, Cod, Dover, Flounder, K 190/ / (see page E 256) Grouper, Haddock, Hake, Halibut, Monfish, Pike, Red Snapper, Shark, Skate Raw, High Fat and Oily Fish* EX 16 T 208/ / P Series Carp, Eel, Herring, Mackerel, K 185/ / (see page E 256) Salmon, Sardines, Swordfish, Trout, Tuna Crutaceans and Mollusks* EX 45 T 214/ / P Series Abalone, Clams, Crab, K 190/ / (see page E 256) Conch, Crayfish, Lobster, Mussels, Octopus, Oysters, Prawns, Scallops, Shrimp, Squid Dried Fish* EX 14 T 338/ / P Series K 253/ / (see page E 256) EX 15 T 267/ / K 238/ / *Retail Pak D 170

7 Dairy Products Milk, EX 1 T 304/ / P Series Powdered Milk K 228/ / (see page E 256) LC / / P Series Cream Cheese, EX 14 T 338/ / P Series Processed K 253/ / (see page E 256) Cheese, EX 15 T 267/ / Soft Cheese K 238/ / EX 16 T 208/ / K 185/ / Cottage Cheese, EX 16 T 208/ / P Series Hard Cheese K 185/ / (see page E 256) EX 12 T 170/ / K 152/ / EX 28 T 145/ / K 129/ / Shredded EX 15 T 267/ / P Series Cheese K 238/ / (see page E 256) Ricotta, EX 28 T 145/ / P Series Sour Cream, K 129/ / (see page E 256) Yogurt EX 12 T 170/ / K 152/ / EX 16 T 208/ / K 185/ / When more than one Extendapak number is referenced, mixtures should be evaluated in the same sequence as listed. Mixtures are prepared with the same care as Certified Standard Grade (see page C 92). Analyses are not reported. D 171

8 Bakery Products Bread, Crumpets, EX 12 T 170/ / P Series Doughnuts, K 152/ / (see page E 256) English Muffins, EX 16 T 208/ / Muffins, Pastry, K 185/ / Pizza Crusts, EX 15 T 267/ / Rolls K 238/ / Bread Crumbs, EX 1 T 304/ / P Series Cookies K 228/ / (see page E 256) LC / / P Series Cakes EX 10 T 321/ / P Series K 241/ / (see page E 256) EX 12 T 170/ / K 152/ / EX 13 T 312/ / K 260/ / EX 14 T 338/ / K 253/ / EX 15 T 267/ / K 238/ / EX 16 T 208/ / K 185/ / EX 1 T 304/ / P Series K 228/ / (see page E 256) LC / / P Series D 172

9 Fruits Apples, Apricots, EX 70 T 312/ / P Series Honeydew, K 235/ / (see page E 256) Orange Sections, Pears Blueberries, EX 47 T 321/ / P Series Cherries K 241/ / (see page E 256) EX 51 T 315/ / K 237/ / Grapes EX 1 T 304/ / P Series K 228/ / (see page E 256) LC / / P Series Kiwi, Nectarines, EX 51 T 315/ / P Series Plums K 237/ / (see page E 256) Peaches EX 51 T 315/ / P Series K 237/ / (see page E 256) EX 49 T 316/ / K 238/ / Raspberries EX 49 T 316/ / P Series K 238/ / (see page E 256) EX 50 T 324/ / K 243/ / EX 51 T 315/ / K 237/ / Strawberries EX 57 T 341/ / P Series K 255/ / (see page E 256) EX 44 T 340/ / K 254/ / When more than one Extendapak number is referenced, mixtures should be evaluated in the same sequence as listed. Mixtures are prepared with the same care as Certified Standard Grade (see page C 92). Analyses are not reported. For ordering purposes, please add the desired cylinder style to the end of the designated part number. D 173

10 Fresh Vegetables Asparagus EX 49 T 316/ / P Series K 238/ / (see page E 256) EX 50 T 324/ / K 243/ / EX 51 T 315/ / K 237/ / Brussel Sprouts, EX 51 T 315/ / P Series Cabbage, Carrots, K 237/ / (see page E 256) Cauliflower, Radishes Corn, EX 49 T 316/ / P Series Sweet Potatoes K 238/ / (see page E 256) Lettuce, Peppers, EX 70 T 312/ / P Series Spinach, K 235/ / (see page E 256) Vegetable Salads Beans, Brocolli, EX 47 T 321/ / P Series Onions K 241/ / (see page E 256) EX 51 T 315/ / Potatoes EX 50 T 324/ / P Series K 243/ / (see page E 256) EX 49 T 316/ / K 238/ / Tomatoes EX 50 T 324/ / P Series K 243/ / (see page E 256) EX 42 T 334/ / K 250/ / When more than one Extendapak number is referenced, mixtures should be evaluated in the same sequence as listed. Mixtures are prepared with the same care as Certified Standard Grade (see page C 92). Analyses are not reported. D 174